I'm not gigging much right now, but each bass has somewhat different strengths, at least in theory.
'75 Guild B-301: I bought it new, so it's been with me the longest; single coil, passive, fretted; basic
'80 Guild B-401: Active single, frets; blues and rock
'81 Guild B-402: 2 active singles, frets; funk machine
'90 Guild Pilot Pro V: 2 active singles, frets, 5-string; jazz/Latin
'91 Guild Pilot Pro Vf: as above fretless; jazz/Latin
'89 Takamine B-10: piezo, fretless, extra-long scale, hollow; small-group, small-stage jazz
'86 custom slab: PJ setup, fretless, maple neck; for sale
'02 Englehardt ES-9: the pretty one, for shows and rentals
'52 Kay C-1: unamplified country, bluegrass, Dixie
'53 Kay M-5: roots rock, blues
'40 Kay S-51: jazz
'69 Wurlitzer 7771 and new Squier Bass IV: working on best uses
'50 Kay 200A jazz cello: Just completing refurb, trying it out